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Investigating Chemical and Physical Changes
Young scholars explore physical and chemical changes by looking at how different powders react to a variety of substances. They observe and identify the difference between physical and chemical change using a mystery powder.
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Stoichiometry
Young scholars discover stoichiometric relationships in chemical equations. They review mole to mole conversions. They understand mass/particle conversions. They perform a lab to reinforce stoichiometry.
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Chemical Reactions - Borax & Glue, Cream
Fifth graders, in groups, complete two activities in which various substances are combined, resulting in a very different substances. They discuss reactants and products and chemical reactions.
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Chemical Change
Fifth graders watch a demonstration in which a balloon is inflated using the gas created by combining vinegar and baking soda. Then, in groups, they combine various assigned substances and watch and record the results.
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Stomach Chemistry
Fifth graders compare physical and chemical changes. They perform a simulation experiment/activity that replicates what happens in the stomach as food is digested by stomach acids.
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Ice Energy
Students observe the chemical reaction that occurs when salt is put on ice, and use the energy that is released to make ice cream.
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Substances And Chemical Reactions
Students observe chemical reactions that produce obvious effects. They begin by exploring a different substance every day for one week. They compare the substances and examine how substances can be solids, liquids, or gases.
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What's the Matter? (Experiments)
Students observe a scientific discrepant event, and are then challenged to create experiments to solve the dilemma.
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Reaction Reasoning
Third graders experiment with chemical reactions and examine what happens to the atoms when different reactions occur. In this matter lesson students divide into groups and complete a lab experiment.
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The Rates of Chemical Reactions
In this chemistry worksheet, students complete a crossword puzzle with 25 questions on chemical reactions. They identify common terminologies used in describing chemical reactions.
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Chemical Reactions and Burning Fossil Fuels
In this chemistry learning exercise, students select answers to 24 multiple choice questions using the drop down box. They identify the different atoms involved in the chemical reaction.
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Alka-Seltzer Rockets: How to Build Your Own Rocket
Students create a rocket using Alka-seltzer of baking soda and vinegar. In this physics lesson, students identify the factors affecting the length of time the rocket is propelled. They relate this activity to actual rocket launched in...
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Confectionary Bureau of Investigations: Case of the Cookie Mystery
Students perform tests on different chemicals to determine their chemical properties. In this forensic science lesson, students identify an unknown sample using its physical and chemical properties. They solve a fictional crime using...
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Chemical Changes
Students compare types of chemical change. In this chemical reaction lesson, students use a variety of household items to investigate different types of chemical change. Students will engage in a discussion about the dangers of chemicals...
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What factors affect the oxidation of apples?
Students investigate why an apple turns brown after being cut open and brainstorm why this occurs. In this oxidation lesson students design and conduct a simple experiment, analyze their results and draw conclusions.
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Chemistry in a Bag Demonstration
Middle schoolers experiment in a lab and observe chemical reactions and pH changes. In this experimental lesson plan students participate in a lab then write their observations and fill out a worksheet.
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Enzymes
Tenth graders test their saliva for enzyme activity. In this enzyme lesson, 10th graders conduct an experiment to test the enzymatic activity of their saliva. They relate the lack of certain digestive enzymes with alcoholism.
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Chemical Reactions
For this chemical reactions worksheet, students rearrange the definitions to match the type of reaction and find an example of each reaction. They write the word equation for it and write the type of reaction for three given word equations.
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Oxidation and Combustion: Chemical Reactions in Fire
Students investigate the art and science of pyrotechnics. In this chemistry and computer instructional activity, students learn about the chemical basis of fire and structure of fireworks. Students then apply their knowledge in...
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Superballs
Students mix two different solutions to become more familiar with molecules and polymers. In this chemistry lesson, students decide whether or not the reaction between two solutions is chemical or physical. Students then observe the...
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Thermodynamic Reaction Worksheet
In this thermodynamics worksheet, students predict the change in reaction values for the 14 thermodynamic reactions given.
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Thermodynamic Calculations for Chemical Reactions and Phase Changes
In this thermodynamics worksheet, students describe the reactions given and then determine the thermodynamic calculations. This worksheet has 14 problems to solve.
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Practice Sheet - Aromatic Systems
In this aromatic systems worksheet, students draw the structures of the given compounds and name compounds shown. Students complete the reactions given. This worksheet has 4 problems to solve.
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Matter and Change
In this matter and change activity, learners answer 24 questions on topics such as elements, compounds, mixtures and chemical reactions. Students answer questions about the properties of matter such as their physical state and shape. In...